RESOURCES
Wealth of knowledge containing the latest resources of bulletins, fact sheets, guidelines, standards and submissions.
Using IoT to improve building performance
Advances in IoT are giving building operators greater visibility over performance, opening new opportunities for predictive maintenance, environmental reporting and energy management.
New ventilation rules take effect: What changes after G4/AS1?
The G4/AS1 transition ended on July 31. Now New Zealand’s HVAC&R industry must adapt to the latest ventilation compliance pathway.
Optimising HVAC systems with CFD for precision and efficiency
Optimising HVAC systems with CFD for precision and efficiency Gain a comprehensive overview of Computational Fluid Dynamics (CFD) and its significance in HVAC system design. Join Holyoake's Pouria Aghajannezhad and explore how CFD can be applied to existing...
Get your HVAC winter-ready
Winter is one of the most energy-intensive times of the year for Kiwi homes and when keeping warm becomes more expensive. EECA’s guide covers actions that have little to no upfront cost, can be done in one afternoon, and save you money by reducing the amount of heat escaping your home.
Good practice guide Industrial Refrigeration
Good design and installation are fundamental to a heat pump system's effectiveness and efficiency. This guide is aimed at experienced installers of heat pumps, and it gives the process to follow for system design and installation into both new and existing homes.
Changes to the Health and Safety at Work Act
Working in our industry can come with high risk. Changes to the Health and Safety at Work Amendment Bill won’t change the fundamentals, but there will be more focus on ‘critical risks’.
Be ready for winter: Preparing heat pumps for the colder months
As temperatures begin to drop and households spend more time indoors, now is the ideal time for contractors to encourage customers to prepare their heat pump and air conditioning systems for winter demand. Small adjustments and routine maintenance can make a significant difference to comfort, efficiency and running costs during the cooler months.
The case for using energy off-peak
In a first-of-its-kind report for New Zealand, the Energy Efficiency and Conservation Authority (EECA) has found that the country could save up to $3 billion and transform the energy system in the process by moving more electricity use off-peak. Effective from November 13, 2025, approximately 100 standards citations have been updated.
Submission_Australian Automotive Code of Conduct 2025
Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners
AS/NZS 5149.4:2016 Refrigerating systems and heat pumps – Safety and environmental requirements – Part 4: Operation, maintenance, repair and recovery
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
AS/NZS 5149.3:2016 Refrigerating systems and heat pumps – Safety and environmental requirements – Part 3: Installation site
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
Approved Filler: Legislation and requirements
RLNZ regularly receives enquiries concerning the need to have an Approved Filler. Here’s what you need to know.
Hot water system theft: What you need to know
It’s likely not something you think about when protecting your home from thieves. However, statistics reveal that the costliest home burglary claims arise from the theft of hot water systems.
Building (Overseas Building Products, Standards, and Certification Schemes) Amendment Act 2025
The Building Act 2004 is the overarching piece of legislation that governs the building sector in New Zealand
A guide to seismic non-structural elements for building services
Prashant Patel shares his knowledge in achieving NSE for buildings in New Zealand.
AS/NZS 4020:2018 Testing of products for use in contact with drinking water
Aligns the Standard with current equipment integrity management and assessment practices and addresses some of the problems currently experienced in industry.
Benefits of using the timer function on your A/C
There are many features of your heating and cooling system that you’re likely not using to their full potential. One of the most underrated is the timer function. Most modern heating and cooling systems offer various timer functions. The most basic is timer mode –...
The risk of buying illegal refrigerants
With a growing occurrence of refrigerants being listed for sale online, it’s important to understand the importance of buying from safe sources – and the dangers associated with purchasing from illegal sellers. There are hefty fines and risks to health and...